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Which of the following is not an aliphatic hydrocarbon?
  • a)
    ethene
  • b)
    ethane
  • c)
    propyne
  • d)
    benzene
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which of the following is not an aliphatic hydrocarbon?a)etheneb)ethan...
Benzene (C6H6), simplest organic, aromatic hydrocarbon and parent compound of numerous important aromatic compounds. Benzene is a colourless liquid with a characteristic odour and is primarily used in the production of polystyrene. It is highly toxic and is a known carcinogen; exposure to it may cause leukemia.
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Community Answer
Which of the following is not an aliphatic hydrocarbon?a)etheneb)ethan...
Aliphatic hydrocarbons are organic compounds that consist of carbon and hydrogen atoms arranged in a straight or branched chain. On the other hand, aromatic hydrocarbons have a cyclic structure with alternating double bonds.

Explanation:
Benzene is a cyclic hydrocarbon with a six-carbon ring and alternating double bonds. It is therefore not an aliphatic hydrocarbon. The other options - ethene, ethane, and propyne - are all aliphatic hydrocarbons.

In summary:
- Aliphatic hydrocarbons have a straight or branched chain structure.
- Aromatic hydrocarbons have a cyclic structure with alternating double bonds.
- Benzene is an example of an aromatic hydrocarbon and is not an aliphatic hydrocarbon.
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Which of the following is not an aliphatic hydrocarbon?a)etheneb)ethanec)propyne d)benzeneCorrect answer is option 'D'. Can you explain this answer?
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